Meeting of the WMO CAS Environmental Pollution and Atmospheric Chemistry Scientific Steering Committee (EPAC SSC) Onsite Share: 15–17 March 2016 (Europe/Zurich: 15–17 March 2016) Past event Geneva, Switzerland Meeting of the WMO CAS Environmental Pollution and Atmospheric Chemistry Scientific Steering Committee (EPAC SSC) WMO Headquarters, Geneva, Switzerland 15-17 March 2016 Presentations: Carmichael: Global Atmosphere Watch – Atmospheric Composition Matters: To Air Quality, Weather, Climate and More Hov: CAS – overview and priorities Lee: WORLD CLIMATE RESEARCH PROGRAMME Riishøjgaard: The WIGOS Pre-operational Phase (2016-2019) Richter: GCOS Status Report & New Implementation Plan Stefanski: Collaborations Between CAgM and CAS Ivanov: Aeronautical Meteorology Dilley: Post 2015 international development policy agenda:UNFCCC and SDG 3 Foltescu: UNEP’s Air Quality work Dora: International Cooperation on Health, Air Pollution and Climate Monks: IGAC: Facilitating atmospheric chemistry research toward a sustainable world Duce: GESAMP and its Working Group on the Atmospheric Input of Chemicals to the Ocean Assonov: Stable isotope reference materials at IAEA: addressing the GAW’ Data Quality Objectives, areas for potential collaboration with GAW. Peuch: The Copernicus Atmosphere Monitoring Service -European with global reach Peuch: SAG on Modelling Applications DeCola: Integrated Global GHG Information System (IG3IS): Evidence Based Policy Support and Evaluation Ruti: The quiet revolution of numerical weather prediction Klausen: Big data What’s GAW got to do with it … Klausen: GAW station reporting status- Implementation in GAWSIS